You can use the timer to turn on/off any electrical equipment at a preset time. 16 on/off programs per day, 15 combinations per week. 24-hour and weekly programmable settings. Built-in battery backup to retain memory and save programmed settings during power outages. Automatic time error correction of +/- 30 seconds per week. Repeat programs with 16 on/off settings; manual on/off control available. Easy-to-read LCD display with LED indicators. Countdown timer range: 1 minute to 24 hours. MULTIPURPOSE PROGRAMMABLE TIMER SWITCH WITH FIVE FUNCTIONS: 1. Clock display (12/24-hour format) 2. Programmable timer 3. Countdown function 4. Automatic weekly time correction 5. Sleep mode Usage: The TM618 timer module can automatically turn on or off various electrical devices and power circuits according to preset times. Suitable for applications such as streetlights, neon signs, household appliances, and broadcast equipment. The digital timer switch includes a rechargeable battery (1.2V/40mAh) and a high-accuracy CMOS chip, offering strong anti-interference performance and easy operation. Why choose TM618N? 1. 1.6-inch large LCD display for easy reading. 2. High load capacity: 16A @ 250VAC. 3. Simple programming. Color: White Material: Plastic Package Contents: 1 x Timer Switch Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by +/- 1-3 cm.